This TV remote control receiver uses a ratchet system to activate an old drum-type selector to change channels. A common system at the time. The circuit is from a Radio Electronics from February 1961.
We found this wiretapping circuit in a publication from the 90s. The circuit allows the cable...
This circuit was suggested by Linear Technology in a 1980s documentation but can be implemented with...
There are many ways to make a set of lamps blink, keeping pace with the music of an amplifier. You can use...